Table 1 Breakdown of data collection by year and grade of endoscopist
Year of data collection20132015
Number of endoscopies22882244
Number of biopsy sets (rate)419 (18.3%)333 (14.8%)19% reduction p=0.0001
Number of non-targeted biopsies (rate)239 (10.4%)150 (6.7%)36% reduction p=0.001
Consultant
 Number of endoscopies949897
 Number of biopsy sets (rate)90 (9.5%)105 (11.7%)19% increase
 Number of targeted biopsies (rate)45 (4.7%)63 (7%)
 Number of non-targeted biopsies (rate)45 (4.7%)42 (4.7%)0% reduction p=0.161
Registrar
 Number of endoscopies806625
 Number of biopsy sets (rate)136 (16.9%)100 (16%)5% reduction
 Number of targeted biopsies (rate)76 (9.4%)58 (9.3%)
 Number of non-targeted biopsies (rate)60 (7.4%)42 (6.7%)9.5% reduction p=0.746
Nurse endoscopist
 Number of endoscopies533722
 Number of biopsy sets (rate)187 (35%)125(17.3%)51% reduction
 Number of targeted biopsies (rate)54 (10%)59 (8.2%)
 Number of non-targeted biopsies (rate)133 (25%)66 (9%)64% reduction p=0.001